Home / 181,008.07-249,787.33-100,433.86

Finding the Fourth Proportional to 181,008.07, 249,787.33 and 100,433.86

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Solution

The fourth proportional to 181,008.07, 249,787.33 and 100,433.86 is: 138,596.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,008.07 : 249,787.33 = 100,433.86 : x
  2. Step 2: Convert to fraction form
    181,008.07/249,787.33 = 100,433.86/x
  3. Step 3: Cross multiply
    181,008.07x = 249,787.33 × 100,433.86
  4. Step 4: Simplify right side
    181,008.07x = 25,087,105,730.99
  5. Step 5: Solve for x
    x = 25,087,105,730.99/181,008.07
  6. Step 6: Final answer
    x = 138,596.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.